LG 50PX1D, Service Manual

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ADJUSTMENT INSTRUCTIONS

9-3. Adjustment of White Balance

O

Operate the Zero-calibration of the CA-100, then attach

sensor to PDP module surface when you adjust.

O

Manual adjustment is also possible by the following sequence.  

(1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service

Remote Control.

(2) Select "7. WHITE PATTERN" using CH +/- Key and HEAT

RUN at least 30 minutes by pressing the ENTER Key.

(3) Receive the Window pattern signal from Digital Pattern

Generator. (AV Input: connect the ‘HDMI’)

(4) After attaching sensor to center of screen, select ‘5. White-

Balance’ of ‘Ez - Adjust’ by pressing the ADJ KEY on the
Service R/C. Then enter adjustment mode by pressing the
Right KEY (

G

) .

(5) Adjust the Hight Light using G Gain/B Gain(Cool: 42”).

Adjust the Hight Light using R Gain/G Gain(Cool: 50”).
Adjust the Hight Light using G Gain/B Gain(Medium).
Adjust the Hight Light using G Gain/B Gain(Warm).

(6) Adjust using /- KEY.

After adjustment is complete, exit the adjustment mode by
pressing the ADJ KEY.

High Level: 216gray

[Cool]
X; 0.278±0.002   Y; 0.279±0.002
Color temperature: 11000°K±1000°K

[Medium]
X; 0.287±0.002   Y; 0.289±0.002
Color temperature: 9300°K±1000°K

[Warm]
X; 0.315±0.002   Y; 0.316±0.002
Color temperature: 6500°K±1000°K

10. Video(uPD)

10-1. Required Equipment

(1) Service R/C
(2) MSPG925FA Pattern Generator

(100% Color Bar Pattern output will be possible and the
output level will accurately have to be adjusted to
0.7±0.1Vp-p: Model #201(NTSC-M), Patter #32))

10-2. Adjustment

(1) After receive signal to Ant input, CVBS output of

MSPG925FA to Video and confirm the signal receiving.

(2) Enter the ‘EZ-ADJUST’ by pressing the ADJ Key on the

Service R/C.

(3) Select ‘3. Video(uPD)-Set’ and enter the adjustment mode

by pressing the right key(

G

).

(4) When enter the adjustment mode, displayed the TV 2CH

Screen automatic at picture and appear as below figure.

(5) When the automatic adjustment is over, 'RF Configuration

Success’ is displayed. If the adjustment has errors, 'Video
Configuration Error’ is displayed.

(6) After the RF signal automatic adjustment is over, convert

the Video Mode as below figure and adjust with automatic
movement the Video Mode. 
When the automatic adjustment is over, 'Video
Configuration Success’ is displayed. If the adjustment has
errors, 'Video Configuration Error’ is displayed.